| macvlan.c (0898782247ae533d1f4e47a06bc5d4870931b284) | macvlan.c (ab92d68fc22f9afab480153bd82a20f6e2533769) |
|---|---|
| 1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Copyright (c) 2007 Patrick McHardy <kaber@trash.net> 4 * 5 * The code this is based on carried the following copyright notice: 6 * --- 7 * (C) Copyright 2001-2006 8 * Alex Zeffertt, Cambridge Broadband Ltd, ajz@cambridgebroadband.com --- 838 unchanged lines hidden (view full) --- 847 return err; 848} 849 850/* 851 * macvlan network devices have devices nesting below it and are a special 852 * "super class" of normal network devices; split their locks off into a 853 * separate class since they always nest. 854 */ | 1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Copyright (c) 2007 Patrick McHardy <kaber@trash.net> 4 * 5 * The code this is based on carried the following copyright notice: 6 * --- 7 * (C) Copyright 2001-2006 8 * Alex Zeffertt, Cambridge Broadband Ltd, ajz@cambridgebroadband.com --- 838 unchanged lines hidden (view full) --- 847 return err; 848} 849 850/* 851 * macvlan network devices have devices nesting below it and are a special 852 * "super class" of normal network devices; split their locks off into a 853 * separate class since they always nest. 854 */ |
| 855static struct lock_class_key macvlan_netdev_addr_lock_key; 856 | |
| 857#define ALWAYS_ON_OFFLOADS \ 858 (NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_GSO_SOFTWARE | \ 859 NETIF_F_GSO_ROBUST | NETIF_F_GSO_ENCAP_ALL) 860 861#define ALWAYS_ON_FEATURES (ALWAYS_ON_OFFLOADS | NETIF_F_LLTX) 862 863#define MACVLAN_FEATURES \ 864 (NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | \ --- 4 unchanged lines hidden (view full) --- 869#define MACVLAN_STATE_MASK \ 870 ((1<<__LINK_STATE_NOCARRIER) | (1<<__LINK_STATE_DORMANT)) 871 872static int macvlan_get_nest_level(struct net_device *dev) 873{ 874 return ((struct macvlan_dev *)netdev_priv(dev))->nest_level; 875} 876 | 855#define ALWAYS_ON_OFFLOADS \ 856 (NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_GSO_SOFTWARE | \ 857 NETIF_F_GSO_ROBUST | NETIF_F_GSO_ENCAP_ALL) 858 859#define ALWAYS_ON_FEATURES (ALWAYS_ON_OFFLOADS | NETIF_F_LLTX) 860 861#define MACVLAN_FEATURES \ 862 (NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | \ --- 4 unchanged lines hidden (view full) --- 867#define MACVLAN_STATE_MASK \ 868 ((1<<__LINK_STATE_NOCARRIER) | (1<<__LINK_STATE_DORMANT)) 869 870static int macvlan_get_nest_level(struct net_device *dev) 871{ 872 return ((struct macvlan_dev *)netdev_priv(dev))->nest_level; 873} 874 |
| 877static void macvlan_set_lockdep_class(struct net_device *dev) 878{ 879 netdev_lockdep_set_classes(dev); 880 lockdep_set_class_and_subclass(&dev->addr_list_lock, 881 &macvlan_netdev_addr_lock_key, 882 macvlan_get_nest_level(dev)); 883} 884 | |
| 885static int macvlan_init(struct net_device *dev) 886{ 887 struct macvlan_dev *vlan = netdev_priv(dev); 888 const struct net_device *lowerdev = vlan->lowerdev; 889 struct macvlan_port *port = vlan->port; 890 891 dev->state = (dev->state & ~MACVLAN_STATE_MASK) | 892 (lowerdev->state & MACVLAN_STATE_MASK); 893 dev->features = lowerdev->features & MACVLAN_FEATURES; 894 dev->features |= ALWAYS_ON_FEATURES; 895 dev->hw_features |= NETIF_F_LRO; 896 dev->vlan_features = lowerdev->vlan_features & MACVLAN_FEATURES; 897 dev->vlan_features |= ALWAYS_ON_OFFLOADS; 898 dev->hw_enc_features |= dev->features; 899 dev->gso_max_size = lowerdev->gso_max_size; 900 dev->gso_max_segs = lowerdev->gso_max_segs; 901 dev->hard_header_len = lowerdev->hard_header_len; 902 | 875static int macvlan_init(struct net_device *dev) 876{ 877 struct macvlan_dev *vlan = netdev_priv(dev); 878 const struct net_device *lowerdev = vlan->lowerdev; 879 struct macvlan_port *port = vlan->port; 880 881 dev->state = (dev->state & ~MACVLAN_STATE_MASK) | 882 (lowerdev->state & MACVLAN_STATE_MASK); 883 dev->features = lowerdev->features & MACVLAN_FEATURES; 884 dev->features |= ALWAYS_ON_FEATURES; 885 dev->hw_features |= NETIF_F_LRO; 886 dev->vlan_features = lowerdev->vlan_features & MACVLAN_FEATURES; 887 dev->vlan_features |= ALWAYS_ON_OFFLOADS; 888 dev->hw_enc_features |= dev->features; 889 dev->gso_max_size = lowerdev->gso_max_size; 890 dev->gso_max_segs = lowerdev->gso_max_segs; 891 dev->hard_header_len = lowerdev->hard_header_len; 892 |
| 903 macvlan_set_lockdep_class(dev); 904 | |
| 905 vlan->pcpu_stats = netdev_alloc_pcpu_stats(struct vlan_pcpu_stats); 906 if (!vlan->pcpu_stats) 907 return -ENOMEM; 908 909 port->count += 1; 910 911 return 0; 912} --- 868 unchanged lines hidden --- | 893 vlan->pcpu_stats = netdev_alloc_pcpu_stats(struct vlan_pcpu_stats); 894 if (!vlan->pcpu_stats) 895 return -ENOMEM; 896 897 port->count += 1; 898 899 return 0; 900} --- 868 unchanged lines hidden --- |